X-Git-Url: https://git.distorted.org.uk/~mdw/dvdrip/blobdiff_plain/d0a95de5e7eac0065c2d68e6264c0b5e88979365..refs/heads/mdw/cleanup:/lib.h

diff --git a/lib.h b/lib.h
index b982286..7c4a0cb 100644
--- a/lib.h
+++ b/lib.h
@@ -301,19 +301,19 @@ extern void hide_banner(void);
 
 /*----- DVD utilities -----------------------------------------------------*/
 
-extern void open_dvd(const char *device, int mode,
-		     int *fd_out, dvd_reader_t **dvd_out);
+extern int open_dvd(const char *device, int mode,
+		    int *fd_out, dvd_reader_t **dvd_out);
 	/* Open the DEVICE.  If FD_OUT is not null, then open a file
 	 * descriptor onto the device, with the given open(2)-style MODE,
 	 * storing the descriptor in *FD_OUT; if DVD_OUT is not null, then
 	 * open a `libdvdread' handle onto the devie and store it in
 	 * *DVD_OUT.  If both are null, then why are you calling this
-	 * function?
+	 * function?  Returns 0 on success or -1 on failure.
 	 *
 	 * If DEVICE refers to an actual block device, and no medium is
 	 * currently inserted, then put up a banner prompting the user and
-	 * wait for a medium to be inserted.  Other problems are reported as
-	 * fatal errors.
+	 * wait for a medium to be inserted.  Other problems are reported to
+	 * stderr.
 	 */
 
 enum { RAW, IFO, VOB, BUP };